Alright, let's work through 74432948 times 81129543 step by step
74432948 × 81129543 = 81129543 × (74432948)
+ 81129543 × 8 what gives us 649036344
+ 81129543 × 40 yielding 3245181720
+ 81129543 × 900 resulting in 73016588700
+ 81129543 × 2000 that results in 162259086000
+ 81129543 × 30000 resulting in 2433886290000
+ 81129543 × 400000 that results in 32451817200000
+ 81129543 × 4000000 yielding 324518172000000
+ 81129543 × 70000000 what gives us 5679068010000000

= 6038711055382764
